# FX_Atan2

## C Specification

      #include <nitro/fx/fx_trig.h>

      fx16 FX_Atan2( fx32 y, fx32 x );

## Description

This function requests the arctangent for `y`/`x` by referencing an internal table. The result that it returns is an `fx16` type in radian units.

## Arguments

`y` | Fixed-point decimal in `fx32` format
`x` | Fixed-point decimal in `fx32` format

## Return Values

Arctangent of `y`/`x`.

## See Also

`FX_Atan, FX_AtanIdx, FX_Atan2Idx`

## Revision History

01/19/2004 Initial Version